20949660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116387}}^1$

素因数の和:116402

約数の個数: 36

約数和(自身を含む): 63547848

約数和(自身を除く): 42598188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116387, 232774, 349161, 465548, 581935, 698322, 1047483, 1163870, 1396644, 1745805, 2094966, 2327740, 3491610, 4189932, 5237415, 6983220, 10474830, 20949660]

約数ペア:

[(1, 20949660), (2, 10474830), (3, 6983220), (4, 5237415), (5, 4189932), (6, 3491610), (9, 2327740), (10, 2094966), (12, 1745805), (15, 1396644), (18, 1163870), (20, 1047483), (30, 698322), (36, 581935), (45, 465548), (60, 349161), (90, 232774), (180, 116387)]